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The ACCUPRO 12184458 is a single-end ball end mill designed for precision milling of contoured surfaces, complex 3D profiles, and radius-bottom slots. Built from micrograin solid carbide, it delivers the rigidity and edge retention needed for demanding cuts in steel, stainless, cast iron, and hardened alloys. The 1-inch diameter cutting head is paired with a 40-degree helix angle and a TiCN coating that reduces friction, resists heat buildup, and extends tool life in abrasive materials. With a 3-inch length of cut and a 6-inch overall length, this is an extra-long configuration suited to deep-cavity and die-mold work where standard-reach tooling falls short. Machinists and toolroom professionals are the primary users.
This end mill fits horizontal and vertical CNC machining centers as well as manual knee mills equipped with an R8 or CAT/BT toolholder accepting a 1-inch shank. The extra-long reach makes it practical for deep-pocket mold and die applications, aerospace component profiling, and medical fixture work where a standard-length tool cannot reach the full floor of the cavity. Right-hand cutting and right-hand spiral flute geometry make it compatible with conventional CNC spindle rotation. The single-end configuration means the tool is replaced rather than flipped when the cutting end wears.
Designed for use in CNC machining centers and manual mills with toolholders accepting a 1-inch straight shank. No specific machine model compatibility was provided in the product data.
Installation should be performed by a qualified machinist or toolroom technician. Ensure the spindle is fully powered down and locked before loading or removing the tool from the holder. Confirm runout with a dial indicator after seating the shank to minimize vibration and premature edge wear. Follow machine tool manufacturer torque specifications for the collet or milling chuck used.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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